Miller Thomson‘s mergers and acquisitions group is led out of Toronto and supported by lawyers in Vancouver and Montréal. The firm mainly acts for domestic clients in a range of transactions such as purchases of sales and assets, public company M&As, amalgamations and plans of arrangements.

Blake, Cassels & Graydon LLP is a premier corporate and M&A practice in Canada, leading on high-value complex cross-border and domestic deals across the country. The firm fields both a national private M&A team dedicated to private M&A transactions as well as a national public M&A team to handle public deals. In Toronto, Jeffrey Lloyd is a M&A heavyweight, having advised purchasers, targets and special committees on M&A transactions, negotiated and unsolicited transactions. Michael Gans represents special committees of boards in complex party transactions and internal investigations, practice co-head Cheryl Satin advises on a wide range of transactions and governance matters and Catherine Youdan leads  the capital markets and securities group in Toronto. Lastly in Toronto, Rory ffrench co-heads the corporate and commercial team handling multi-jurisdictional mergers and acquisitions, while Linda Tu is well-versed in public M&As. For the Calgary team, Jeff Bakker leads the practice alongside Chad Schneider, they are both well-versed in corporate transactions, with Schneider focusing on the energy sector. Ross Bentley aids primarily Canadian clients in equity and debt issues. In Vancouver, John-Paul Bogden chairs the practice and works with a mix of domestic, US and international clients on M&A transactions. Corporate experts Philippe Bourassa and Patrick Menda co-leads the Montréal practice handling a range of transactional issues.

Davies Ward Phillips & Vineberg LLP's corporate and M&A team continues to be a leading force in the Canadian market, handling large private and public M&As throughout Canada. The team handles transactions of all sizes including lower and mid-market transactions alongside significant multi-jurisdictional mandates. Clientele of the firm come from numerous industries such as mining, energy, infrastructure, telecoms and finance. The Toronto practice is jointly led by finance experts Vincent Mercier, Patricia Olasker and Melanie Shishler. Mercier is experienced in acting for bidders, target boards and special committees in friendly and hostile transactions and is well-versed in cross-border deals involving the US, UK and China. Olasker is an M&A and shareholder activism transactional specialist, she has broad expertise advising clients in the food and food services sector, cannabis, mining, financial services and energy. Mainly advising domestic clients and international mining companies, Shishler is key to complex domestic and cross-border M&As and mining transactions. Aaron Atkinson focuses his practice on M&As, proxy contests and contested transactions, while Brett Seifred acts as lead counsel in M&A transactions for telecoms, entertainment, life sciences and private equity clients. Over in Montréal, Elliot Greenstone leads the team and utilizes his background in science and business to advise on corporate issues.

Goodmans LLP fields a strong M&A practice which focuses on advising both domestic and international clients on large complex M&As and bet-the-company transactions. The firm’s Toronto-based practice is spearheaded by Robert Vaux and Michelle Vigod. Vaux has a wealth of experience handling M&A transactions and corporate finance issues, such as IPOs and follow-on financings, while Vigod utilizes her expertise in corporate and securities law to advise public and private companies on domestic and cross-border transactions. Neill May is a key member of the team, handling securities law issues for a variety of sectors including cannabis, mining and capital markets. Jon Feldman primarily acts for buyers and sellers in public and private M&As, Brad Ross is a corporate finance specialist representing issuers, private companies and underwriters, and Jamie van Diepen has advised clients on cross-border issues, take-over bids and going private transactions. Julian di Bartolomeo and Tara Hunt are also noted for their work in the public and private M&A space.

McCarthy Tétrault’s corporate and M&A practice is noted for its industry expertise across the infrastructure, power, mining, gas & oil and tech sectors. The firm often handles large complex mining, infrastructure and energy-related M&As, as well as both private and public transactions involving shareholder activism and governance issues. The firm is sought out by a mix of clients from upcoming companies to established multinational corporations, financial sponsors, board directors and financial advisors. It has experience handling cross-border and multi-jurisdictional mandates as well as large and mid-market transactions. Jonathan See is a longstanding expert in M&A and private equity, he co-leads the Toronto practice alongside Shea Small and Cameron Belsher KC who splits his time between Vancouver and Toronto. Small leads on significant M&A transactions and is noted for his expertise in representing mining companies. Belsher is the go-to for international clients, advising on public and private M&A deals. Also in the Toronto team, David Woollcombe advises financial buyers, sellers, boards and special committees in transactions, while Shevaun McGrath focuses on private equity deals and multi-jurisdictional transactions. In Montréal, Clemens Mayr handles a broad range of issues from corporate finance, to international financings, M&As and governance. Chrystelle Chevalier-Gagnon represents US, European and international clients in their investments in Canada. Patrick Boucher handles a mix of capital markets and M&A work.

Stikeman Elliott LLP has a excellent bench of corporate and M&A specialists who sit all over Canada. In Toronto, the corporate team is led by Jonah Mann, while John Laffin and Jeff Hershenfield co-lead the capital markets, public mergers and acquisitions group. The Toronto private equity, private mergers and acquisitions practice is jointly led by corporate specialists Kim Le and Kevin Smyth. Over in Montréal, Pierre-Yves Leduc leads the wider corporate group, while Warren Silversmith heads up the private equity and M&A practice and David Massé leads the securities team. For Calgary, Benjamin Hudy and Janel Young both spearhead the corporate practice and Michael Urbani leads the Vancouver corporate and securities team. In the Toronto team, Jeffrey Singer excels in cross-border M&As, John Ciardullo advises Canadian boards, special committees, banks and regulatory authorities in transactional issues, and Simon Romano is well-versed in corporate governance and executive compensation. Amanda Linett is noted for her work advising senior management, boards of directors and special committees in M&A transactions. Warren Katz and John Leopold are both key to the Montréal team, with the former handling cross-border M&As and the latter handling complex corporate and commercial issues. Sophie Lamonde is also part of the Montréal team and is a corporate law specialist who advises both domestic and international clients.

Torys' Toronto-based M&A practice is a driving force in the Canadian market, handling cross-border and domestic M&A transactions. The team focuses on a number of sectors including financial services, life sciences and healthcare, retail and consumer products, oil and gas, energy and mining. John Emanoilidis has deep expertise in the M&A space, advising domestic and foreign acquirers, private equity sponsors, special committees and banks in hostile takeover bids, proxy contest, private equity transactions and other complex issues. Corporate and capital markets specialist Karrin Powys-Lybbe is well-versed in party transactions and complex deals for renewable energy, infrastructure and private equity clients. Michael Amm advises clients on an array of deals from M&As to strategic investments, IPOs and securities offerings. The three aforementioned lawyers all jointly lead the Toronto practice. Jennifer Baugh is well-versed in advising on legal risk, regulatory matters and corporate governance, Adrienne DiPaolo is the go-to for issuers and investment banks looking for public offering assistance and associate Carly Klinkoff assists with corporate and securities law issues. Over in Calgary, Janan Paskaran centres his practice on international transactions, representing private and public issuers.

Bennett Jones LLP centres its corporate M&A practice on M&A and private equity and deals from the commercial and institutional real estate, restructuring and insolvency as well as antitrust and competition space. The firm utilizes its expertise in the energy sector to advise on large transactions involving energy, renewables and infrastructure issues. In Toronto, Curtis Cusinato co-leads the M&A practice alongside Kristoher Hanc, while Ted Shoub leads the commercial transactions team. Cusinato has been active in M&A transactions spanning Canada, the US and other parts of the globe, while Hanc has advised on numerous public and private mergers and acquisitions. The Calgary team is chaired by John Mercury, with Brent Kraus leading the M&A team and Drew Broughton heading up the corporate practice. Kraus advises on a range of issues including capital market transactions, corporate governance and shareholder activism. Over in Vancouver, James Beeby spearheads the corporate team focusing on corporate finance, private equity and venture capital. Harinder Basra is the go-to lawyer for energy-related advice and sits in Calgary.

Fasken is highly active in the M&A space across Canada. The firm leads on a number of large M&A transactions across Ontario, Alberta, Quebec and British Columbia. The Calgary practice is lead by Sarah Gingrich, who acts for both targets and acquirers in cross-border transactions including large M&As, she also advises clients on corporate governance. Sean Stevens spearheads the Toronto practice and is well-versed in a range of transactions including M&As, corporate reorganizations and private equity issues. On the Toronto team, Gesta Abols is noted for his work on corporate governance, shareholder activism and strategic investments, while Brad Freelan is an expert in securities law, capital markets and M&As. Other noted members of the team include corporate specialists Zach Austin in Toronto and Jean-Mitchel Lapierre in Montréal.

Norton Rose Fulbright is experienced in handling complex M&As and corporate transactions across Canada. The firm combines its strength in M&A, special situations and securities to advise issuers such as large banks and retail clients and manufacturers in domestic and cross-border deals. The firm’s special situations team focuses on shareholder activist and defence issues alongside reorganization transactions. Mathieu Deschamps leads the corporate, M&A and securities practice from Montréal, while Troy Ungerman leads the team in Toronto. Ungerman acts as advisor to large corporations, assisting with M&As, post-merger integration, strategic alliances and corporate reorganizations. Montréal-based Paul Raymond is known for his knowledge on commercial and corporate matters, focusing on debt and equity financings of private and public offerings. In Toronto, Terence Dobbin is sought out by acquirers to advise on negotiated transactions and unsolicited take-over bids, while Walied Soliman KC excels in M&As and proxy battles. Jennifer Kennedy sits in Calgary and specializes in cross-border securities transactions.

Baker McKenzie bases its corporate and M&A practice in Canada out of Toronto, and advises on both domestic and cross-border transactions. The firm particaurly excels in multi-jurisdictional issues, leveraging its wide global network. The team supports clients throughout the whole processes of structuring, negotiating and executing deals ensuring that clients are aware of risks. David Palumbo and Nancy Hamzo both co-lead the practice. Palumbo represents securities dealers, institutional investors and companies in public M&A and public and private capital raising. Hamzo is the go-to for life sciences and technology clients, advising on multi-jurisdictional reorganizations and M&As. Haran Viswanathan is well-versed in public and private financings.

Borden Ladner Gervais LLP fields a corporate commercial and mergers & acquisitions practice that acts on large M&A deals in Canada mainly for infrascture, energy, financial services and mining sectors. The firm’s national corporate and capital markets group is led by Prema Thiele, while Subrata Bhattacharjee leads the national corporate and commercial team. Both lawyers are based in Toronto. Timothy McCormick and Kathryn Fuller jointly lead the Toronto securities and capital markets team and Nick Pasquino heads up the Toronto corporate commercial team. In Vancouver, Kent Kufeldt leads the national securities and capital markets practice and Sean Muggah is the regional corporate and capital market practice head. Lastly, the Calgary team is led by Ravi Latour, while Ryan Tomicic spearheads the Montréal practice. The aforementioned lawyers are all experts in M&As and cross-border transactions. Other notable team members includes Fred Pletcher, who sits in Vancouver and is an expert in representing public and private companies in M&As and corporate finance matters. Matthew Literovich in Toronto joined the firm from Dentons in November 2025 to head the firm's corporate healthcare group.

Dentons focuses on both domestic and international M&A transactions, representing buyers and sellers in takeover bids, amalgamations, arrangements as well as share and asset purchases. It is well-versed in handling hostile acquisitions and proxy fights and also assists clients with taxation, competition and antitrust issues which arise through transactions. The firm has industry expertise across tech, mining, energy, oil & gas, infrastructure, telecoms and broadcasting. Jason Saltzman leads the Toronto team and is knowledgeable on corporate finance matters and M&As. Also in Toronto, Alex Farcas is the go-to for go-private transactions, reverse mergers and carve-out transactions, while Ora Wexler handles capital markets transactions. Danny Wakeling spearheads the Edmonton practice and centres his work on M&As, advising both public and private companies.

Aird & Berlis LLP's mergers and acquisitions group is based out of Toronto and advises public and private corporations on a slew of business transactions. Work typically includes corporate restructurings of domestic and international franchises, joint ventures, corporate governance issues, corporate acquisitions, divestitures and reorganizations. It is also adept at handling private equity transactions from buy-outs to recapitalizations and exists by sale to trade or financial buyers or by IPO. Co-leads Richard Kimel, Jeffrey Merk and Jennifer Bishop are all experts in M&A, with Kimel and Merk having specific expertise representing clients in mining, PE, industrial cannabis and psychedelics, while Bishop is the go-to for sports, hospitality, manufacturing, real estate and financial sectors.

DLA Piper (Canada) LLP are regularly engaged in cross-border corporate mandates involving the US and the UK. The firm is noted for its natural resources expertise, often aiding clients from mining, oil & gas and forestry industries. It does work outside of these sectors too, advising clients in tech, telecoms, healthcare, life sciences and cannabis sectors. Its clients include both Canadian and American corporations as well as international and multinational companies. Jennifer Cleall KC leads the Edmonton team and works on both corporate and commercial matters. She is also well-versed in the real estate sector. Co-head Ted Maduri leads the Toronto practice and advises on mergers, acquisitions and sales transactions with cross-border aspects. Robert Fonn is part of Maduri’s team and advises investment deals and cannabis industry participants with M&As, financings and capital raising.

Lawson Lundell LLP focuses on the British Columbia market, advising small to large Canadian businesses from the mining, forestry, energy, tech, transport and real estate sectors. The Vancouver-based practice has expertise across M&A, corporate finance and securities, infrastructure and corporate governance. It also advises on private equity and pension fund issues. Practice head Andrew Robertson represents clients in mergers, acquisitions and divestitures as well as minority and growth equity investments. David Allard is key to corporate commercial matters such as reorganizations, restructurings and corporate governance.